Which of the following is composed of two conductors separated by an insulator? O A. A resistor O B. Light C. A point charge O D. A capacitor

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

Why does gravity have a lesser than grater effect on higher altitudes?